Materials: 14KG FILLED or Sterling Silver Ball Bead Size: 3mm Stone: Opal made with love:) Protect yourself while looking fabulous with SMALL EVIL EYE Ring! What is "Gold Filled" material? It's the most durable metal next to the pure gold. It is a fusion of Gold and Brass usually. The color doesn't rub off, because it's FUSED not PLATED.